216617010611 has 2 divisors, whose sum is σ = 216617010612. Its totient is φ = 216617010610.

The previous prime is 216617010607. The next prime is 216617010629. The reversal of 216617010611 is 116010716612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216617010611 - 2² = 216617010607 is a prime.

It is not a weakly prime, because it can be changed into another prime (216617010641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108308505305 + 108308505306.

It is an arithmetic number, because the mean of its divisors is an integer number (108308505306).

Almost surely, 2^216617010611 is an apocalyptic number.

216617010611 is a deficient number, since it is larger than the sum of its proper divisors (1).

216617010611 is an equidigital number, since it uses as much as digits as its factorization.

216617010611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 216617010611 in words is "two hundred sixteen billion, six hundred seventeen million, ten thousand, six hundred eleven".